Results 11 to 20 of about 7,725 (185)
Composition of Fecal Microbiota in Grazing and Feedlot Angus Beef Cattle
Animals, 2021 This study is to investigate the difference in bovine fecal microbiota between grazing and feedlot Angus cattle. Fecal samples were collected from six Angus cattle grazed on grassland and six Angus cattle fed on a feedlot.
Zhimin Zhang +5 more
doaj +1 more source
Frontiers in Veterinary Science, 2021 Foot-and-mouth disease (FMD) is a highly contagious disease of livestock and has severely affected livestock industries during the past two decades in previously FMD-free countries. The disease was eliminated in North America in 1953 but remains a threat
Aurelio H. Cabezas +5 more
doaj +1 more source
Frontiers in Veterinary Science, 2022 There is public pressure to reduce antimicrobial use in livestock production. Metaphylaxis usage raises special concern as it is given to a whole group of animals.
William E. Maples +3 more
doaj +1 more source
Effects of autolyzed yeast on leukocyte oxidative metabolism and pneumonia occurrence in feedlot steers [PDF]
Pesquisa Veterinária Brasileira, 2023 : Although yeast supplementation has shown an immunostimulant effect in feedlot cattle, the question remains whether it influences the occurrence of the bovine respiratory disease complex (BRD) in feedlot cattle.
Gabriela Garbossa +8 more
doaj +1 more source
Causes of death in feedlot beef cattle and their control: a brief review [PDF]
Pesquisa Veterinária Brasileira, 2020 : This review reports the leading causes of death in feedlot beef cattle. It describes economic losses resulting from these deaths and suggests control alternatives.
Pablo Estima-Silva +2 more
doaj +1 more source
Tracheal Stenosis in Feedlot Cattle [PDF]
Journal of Veterinary Diagnostic Investigation, 1993 None of these lesions resembles those of tracheal stenosis of feedlot cattle. Twenty-six postmortem specimens consisting of trachea and sometimes lung and larynx were received from 16 different feedlots between 1982 and 1990. Five came from 1 feedlot, and 4 came from each of 2 premises. The remainder were single submissions from different feedlots.
E D, Erickson, A R, Doster
openaire +2 more sources
Microorganisms, 2023 Antimicrobial use (AMU) in the livestock industry has been associated with increased levels of antimicrobial resistance. Recently, there has been an increase in the number of “natural” feedlots in the beef cattle sector that raise cattle without ...
Catrione Lee +6 more
doaj +1 more source
Frontiers in Veterinary Science, 2020 Foot-and-mouth disease (FMD) has not been reported in the U.S. since 1929. Recent outbreaks in previously FMD-free countries raise concerns about potential FMD introductions in the U.S.
Aurelio H. Cabezas +5 more
doaj +1 more source
Causes of death of beef cattle raised in feedlots [PDF]
Pesquisa Veterinária Brasileira, 2020 : The causes of death of cattle kept in pre-export feedlots (PEFs) and in feedlot for finishing for slaughter are described. Two studies were conducted: a retrospective study of mortality cases in feedlots from 2000 to 2017 registered at the “Laboratório
Pablo Estima-Silva +6 more
doaj +1 more source
Understanding the transmission dynamics of Escherichia coli O157:H7 super-shedding infections in feedlot cattle [PDF]
PeerJ, 2021 Background The presence of Escherichia coli O157:H7 (E. coli O157:H7) super-shedding cattle in feedlots has the potential to increase the overall number (bio-burden) of E. coli O157:H7 in the environment. It is important to identify factors to reduce the
Elizabeth M. Antaki-Zukoski +5 more
doaj +2 more sources